Upadhyay, Ranjit Kumar; Iyengar, S. R. K. Effect of seasonality on the dynamics of 2 and 3 species prey-predator systems. (English) Zbl 1072.92058 Nonlinear Anal., Real World Appl. 6, No. 3, 509-530 (2005). MSC: 92D40 34E10 37D45 37N25 34D05 PDFBibTeX XMLCite \textit{R. K. Upadhyay} and \textit{S. R. K. Iyengar}, Nonlinear Anal., Real World Appl. 6, No. 3, 509--530 (2005; Zbl 1072.92058) Full Text: DOI
Upadhyay, Ranjit Kumar; Iyengar, S. R. K.; Rai, Vikas Chaos: An ecological reality? (English) Zbl 0935.92037 Int. J. Bifurcation Chaos Appl. Sci. Eng. 8, No. 6, 1325-1333 (1998). MSC: 92D40 37D45 PDFBibTeX XMLCite \textit{R. K. Upadhyay} et al., Int. J. Bifurcation Chaos Appl. Sci. Eng. 8, No. 6, 1325--1333 (1998; Zbl 0935.92037) Full Text: DOI